71M6403
Electronic Trip Unit
SEPTEMBER 2006
VREF, VBIAS
Unless otherwise specified, VREF_DIS=0
PARAMETER
CONDITION
Ta = 22ºC
MIN
1.193
TYP
1.195
MAX
1.197
UNIT
V
VREF output voltage, VNOM(25)
VREF chop step
40
mV
CAL =1,
VREF output impedance
VNOM definition 1
2.5
kΩ
ILOAD = 10µA, -10µA
VNOM(T) = VREF(22) + (T–22)TC1 + (T–22)2TC2
V
VREF temperature coefficients
TC1 (linear)
-6.68
µV/ºC
TC2 (quadratic)
-0.341
µV/°C2
VREF(T) deviation from VNOM(T)
VREF(T) −VNOM(T)
106
Ta = -40ºC to +85ºC
-40
+40
ppm/ºC
VNOM
max(|T − 22 |,40)
Ta = 25ºC
(-1%)
(-2%)
1.6
1.6
(+1%)
(+2%)
V
V
VBIAS output voltage
Ta = -40ºC to 85ºC
VBIAS output impedance
ILOAD = 1mA, -1mA
240
500
Ω
FOOTNOTE
1
This relationship describes the nominal behavior of VREF at different temperatures.
Page: 67 of 75
© 2006 TERIDIAN Semiconductor Corporation
REV 1.0
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
